How to use the @nivo/bar.BarDefaultProps.borderRadius function in @nivo/bar

value: 'id',
                },
                {
                    label: 'index',
                    value: 'index',
                },
            ],
        },
    },
    {
        key: 'borderRadius',
        flavors: ['svg', 'api'],
        help: 'Rectangle border radius.',
        type: 'number',
        required: false,
        defaultValue: defaults.borderRadius,
        controlType: 'range',
        group: 'Style',
        controlOptions: {
            unit: 'px',
            min: 0,
            max: 36,
        },
    },
    {
        key: 'borderWidth',
        help: 'Width of bar border.',
        type: 'number',
        required: false,
        defaultValue: defaults.borderWidth,
        controlType: 'lineWidth',
        group: 'Style',